/*
 * Licensed to Crate under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.  Crate licenses this file
 * to you under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.  You may
 * obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied.  See the License for the specific language governing
 * permissions and limitations under the License.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial
 * agreement.
 */

package io.crate.analyze;


import io.crate.metadata.RelationName;
import io.crate.metadata.Schemas;
import io.crate.sql.tree.CreateIngestRule;


public class CreateIngestionRuleAnalyzer {

    private final Schemas schemas;

    CreateIngestionRuleAnalyzer(Schemas schemas) {
        this.schemas = schemas;
    }

    CreateIngestionRuleAnalysedStatement analyze(CreateIngestRule node, Analysis context) {
        RelationName relationName = RelationName.of(node.targetTable(), context.sessionContext().defaultSchema());
        ensureTableExists(relationName);

        return new CreateIngestionRuleAnalysedStatement(node.ruleName(),
            node.sourceIdent(),
            relationName,
            node.where().orElse(null),
            context.parameterContext());
    }

    private void ensureTableExists(RelationName relationName) {
        schemas.getTableInfo(relationName);
    }
}
